An event in a story that's exactly the reverse of what was expected is an example of?

A. character action.

B. dramatic sarcasm.

C. situational irony.

D. subtle conflict.

C. situational irony. In situational irony the characters find themselves reacting to a situation hoping for a specific outcome, but then find that their actions actually elicit an opposite reaction of what was original intended. Hence the situation becomes ironic.